Mamiya RB67 No.2 Extension Tube brand_Rollei 8D AF Nikkor is a

8D AF Nikkor is a full-frame ultrawide lens with excellent image quality and a fast f2

Extends to just over 4 feet with the column down

but don’t get too cocky

Leitz Summicron 50mm f2 lens (type 3) in good cosmetic condition

Mamiya RB67 No.2 Extension Tube brand_Rollei 8D AF Nikkor is aNeed more extension for your RB67? This tube will give you an additional 82mm a substantial amount when combined with the RB's already impressive built in bellows extension. So put on your macro hat and get ready to take a journey into the realm of the miniature, because like it or not, that's where this tube is taking you. Good working order, minor cosmetic wear.